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Home >> Mazda >> 2006 >> 6 s, 4D Wagon, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Mechanical [Intake-Air System L3 With TC)) >> Air Bypass Valve Inspection

Air Bypass Valve Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Remove the air bypass valve. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
  2. Connect the vacuum pump to the vacuum ports of the air bypass valve.
    Fig 1: Inspecting Air Bypass Valve
    G04324742Courtesy of MAZDA MOTORS CORP.

    Approx value 

  3. Verify that the airflow is as indicated in the table.
    • If there is any malfunction, replace the air bypass valve.
    VACUUM VALVE OPERATION REFERENCE

    Vacuum (kPa {mmHg, inHg}) Valve operation condition Airflow between port A-B
    -66 {-496, -20} or more Open Yes
    -49 {-367, -14} or less Closed No
    Fig 2: Valve Operation Graph
    G04324743Courtesy of MAZDA MOTORS CORP.
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